KR880009773A - Method and apparatus for surface pretreatment of plastic by electrical corona discharge - Google Patents

Method and apparatus for surface pretreatment of plastic by electrical corona discharge Download PDF

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KR880009773A
KR880009773A KR1019880001775A KR880001775A KR880009773A KR 880009773 A KR880009773 A KR 880009773A KR 1019880001775 A KR1019880001775 A KR 1019880001775A KR 880001775 A KR880001775 A KR 880001775A KR 880009773 A KR880009773 A KR 880009773A
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South Korea
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corona discharge
electrode
aerosol
plastic
mold
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KR1019880001775A
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Korean (ko)
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KR960007299B1 (en
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페터딘터
보태 로다르
데릭 그리빈 존
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베틀라우퍼, 게르만
훽스트 악티엔 게젤샤프트
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/10Surface shaping of articles, e.g. embossing; Apparatus therefor by electric discharge treatment
    • B29C59/12Surface shaping of articles, e.g. embossing; Apparatus therefor by electric discharge treatment in an environment other than air
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/10Surface shaping of articles, e.g. embossing; Apparatus therefor by electric discharge treatment
    • B29C59/103Surface shaping of articles, e.g. embossing; Apparatus therefor by electric discharge treatment of profiled articles, e.g. hollow or tubular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/04After-treatment of articles without altering their shape; Apparatus therefor by wave energy or particle radiation, e.g. for curing or vulcanising preformed articles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T19/00Devices providing for corona discharge
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T19/00Devices providing for corona discharge
    • H01T19/04Devices providing for corona discharge having pointed electrodes

Abstract

내용 없음.No content.

Description

전기적 코로나 방전에 의하여 플라스틱의 표면 예비처리를 하기 위한 방법 및 장치Method and apparatus for surface pretreatment of plastic by electrical corona discharge

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 전기적 코로나 방법에 의하여 플라스틱의 표면 예비처리를 하기 위한 장치의 개략도.1 is a schematic diagram of an apparatus for surface pretreatment of plastics by an electrical corona method.

Claims (28)

플라스틱이 위치하는 전압전도 전극과 접지된 대응 전극 사이에서 발생하는 전기적 코로나 방전에 의하여 플라스틱의 표면 예비처리를 하기 의한 방법에 있어서, 액체의 분무에 의하여 형성된 에어로졸은 공기나 가스의 흐름에 의하여 코로나 방전 지대안으로 유입하게 되는 것을 특징으로 하는 플라스틱의 표면 예비처리를 하기 위한 방법.In the method of pretreatment of the surface of the plastic by the electrical corona discharge generated between the voltage conducting electrode on which the plastic is located and the grounded counter electrode, the aerosol formed by the spray of liquid is corona discharge by the flow of air or gas. A method for surface pretreatment of plastics, characterized in that it is introduced into the zone. 제1항에 있어서, 처리될 플라스틱은 종래의 코로나 방전에 의하여 제1단계로 표면 활성화되며, 에어로졸 대기내에서 제2단계로 코로나 방전을 하게되는 것을 특징으로 하는 방법.The method of claim 1, wherein the plastic to be treated is surface activated in a first step by conventional corona discharge and in a second step in the aerosol atmosphere. 제1항에 있어서, 처리될 플라스틱은 차례로 최소 2개의 코로나 방전을 하게 되며, 각 코로나 방전은 다른 에어로졸 대기내에서 수행하는 것을 특징으로 하는 방법.The method of claim 1, wherein the plastic to be treated is subjected to at least two corona discharges in turn, each corona discharge being performed in a different aerosol atmosphere. 제1항 내지 제3항에 있어서, 에어로졸은 공기, 가스, 가스혼합율과 같은 캐리어 가스에 의하여 코로나 방전 지대안으로 운반하게 되는것을 특징으로 하는 방법.The method of claim 1, wherein the aerosol is transported into the corona discharge zone by a carrier gas such as air, gas, gas mixing rate. 제1항 내지 제4항에 있어서, 단량체의 에어로졸, 저분자량 및/또는 고분자량 중합체 성분의 분산액 또는 용액, 수성 형태 또는 용매에 용해된 형태의 콜로이드성 계는 코로나 방전지대 안으로 유입하게 되는 것을 특징으로 하는 방법.5. The colloidal system of claim 1, wherein the colloidal system in the form of a dispersion or solution of the aerosol, low molecular and / or high molecular weight polymer components of the monomer, in aqueous form or dissolved in a solvent, is introduced into the corona discharge zone. How to. 제1항 내지 제5항에 있어서, 처리될 2개의 플라스틱의 표면은 2개의 다른 에어로졸 대기에서 서로 독립하여 취급되며, 상기 표면은 서로 잇달아 접촉하게 되는 것을 특징으로 하는 방법.6. The method according to claim 1, wherein the surfaces of the two plastics to be treated are treated independently of each other in two different aerosol atmospheres, said surfaces being brought into contact with each other one after another. 제1항 내지 제6항에 있어서, 돌출된 플라스틱 용융 필름을 코로나 방전 지대안으로 액체의 초음파 분무에 의하여 생성된 에어로졸을 연속적으로 안내하는 동안 교류 코로나 방전에 의하여 기저부에 공기가 유리된 형태를 적용하는 것을 특징으로 하는 방법.The method according to claim 1, wherein air is liberated at the base by alternating corona discharge while continuously guiding the aerosol generated by ultrasonic spraying of the liquid into the corona discharge zone. Characterized in that the method. 제1항 내지 제7항에 있어서, 처리하게 될 플라스틱, 에어로졸을 형성하기 위하여 분무될 액체, 에어로졸 운반을 위하여 사용된 캐리어 가스는 20℃와 95℃사이의 온도에서 대워지는 것을 특징으로 하는 방법.8. The method of claim 1, wherein the plastic to be treated, the liquid to be sprayed to form the aerosol, and the carrier gas used for the aerosol delivery are treated at a temperature between 20 ° C. and 95 ° C. 9. 제8항에 있어서, 플라스틱은 에어로졸이 적용된 외부의 필름 시이트인 것을 특징으로 하는 방법.9. The method of claim 8, wherein the plastic is an outer film sheet to which an aerosol is applied. 제9항에 있어서, 필름 시이트의 외부의 표면저항은 에어로졸이 108ohm.n 와 109ohm.n 사이에서 적용하게 되는 것을 특징으로 하는 방법.10. The method of claim 9, wherein the external surface resistance of the film sheet is such that the aerosol is applied between 10 8 ohm.n and 10 9 ohm.n. 고주파, 고전압 고류가 제너레이터에 의하여 적용되는 동시에 접지된 교차 전극으로부터 거리를 두고 배열된 전극을 가진 정전기 코로나 방전에 의하여 플라스틱의 표면 예비치리를 하기 위한 장치에 있어서, 제1코로나 방전장치(11)의 전극(4)은 부유 유지할수 있는 에어로졸을 형성하기 위하여 액체 분무용 분무기(8)로 라인(7)을 경유하여 연결된 하우징(6)에 의하여 주위로부터 차폐하게 되고, 처리속도를 조절할 수 있는 팬(9)은 분무기(8)와 연결되며 코로나 방전장치(11) 안으로 분무기(8)를 통하여 에어로졸용 캐리어 가스를 누르는 것을 특징으로 하는 장치.A device for preliminary surface treatment of plastics by an electrostatic corona discharge having electrodes arranged at a distance from a grounded crossover electrode at which high frequency and high voltage high currents are applied by a generator, wherein the first corona discharge device 11 The electrode 4 is shielded from the surroundings by a housing 6 connected via a line 7 to a liquid atomizing atomizer 8 to form an aerosol that can be suspended, and a fan 9 capable of adjusting the processing speed. Is connected to the nebulizer (8) and presses the carrier gas for the aerosol through the nebulizer (8) into the corona discharge device (11). 제11항에 있어서, 분무기(8)은 피에조 전기 초음파 진동 시스템을 포함하는 것을 특징으로 하는 장치.Device according to claim 11, characterized in that the nebulizer (8) comprises a piezoelectric ultrasonic vibration system. 제11항에 있어서, 분무기(8)은 초음파 속도로 작동하는 2개의 성분 분무노즐을 병합한 것을 특징으로 하는 장치.12. The device according to claim 11, wherein the sprayer (8) incorporates two component spray nozzles operating at ultrasonic speed. 제11항에 있어서, 제너레이터(5)는 전극(4) 및 교차전극(2)으로 5000V 내지 25,000V의 교류전압을 적용하는 것을 특징으로 하는 장치.Apparatus according to claim 11, characterized in that the generator (5) applies an alternating voltage of 5000V to 25,000V to the electrode (4) and the crossover electrode (2). 제14항에 있어서, 교류전압는 제1코로나 방전장치(1)를 통하여 플라스틱의 운반속도에 비례하여 선택된 조절가능한 제너레이터(5)에 의하여 생성된 진극(4)과 교차전극(2) 사이에 적용하게 되는 것을 특징으로 하는 장치.15. The alternating current voltage according to claim 14, wherein an alternating voltage is applied between the pole electrode (4) and the crossover electrode (2) generated by the adjustable generator (5) selected in proportion to the transport speed of the plastic through the first corona discharge device (1). Apparatus characterized in that the. 제11항에 있어서, 라인(7)은 하우징(6)의 파이프 접속기(12)와 분무기(8)의 파이프 접속기(13)를 접속한 파이프인 것을 특징으로 하는 장치.Device according to claim 11, characterized in that the line (7) is a pipe connecting the pipe connector (12) of the housing (6) and the pipe connector (13) of the sprayer (8). 제11항에 있어서, 라인(7)은 튜브나 다른 가요성 라인인 것을 특징으로 하는 장치.12. The device according to claim 11, wherein the line (7) is a tube or other flexible line. 제11항에 있어서, 하우징(16)에 의하여 가려지고 전극(14)을 가지는 제2코로나 방전장치(15)는 플라스틱(1)의 운반방향내에서 제1코로나 방전장치(11)전에 배열하게 되며, 하우징(16)은 라인(17)을 경유하여 가스용기(18)와 연결하게 되는 것을 특징으로 하는 장치.12. The second corona discharge device (15) according to claim 11, which is covered by the housing (16) and has electrodes 14, is arranged before the first corona discharge device (11) in the conveying direction of the plastic (1). , The housing (16) is connected to the gas container (18) via a line (17). 제18항에 있어서, 제1 및 제2코로나 방전장치(11,15)의 전극(4, 14)은 제너레이터(5)에 연결하게 된것을 특징으로 하는 장치.19. The device according to claim 18, wherein the electrodes (4, 14) of the first and second corona discharge devices (11, 15) are connected to the generator (5). 제11항에 있어서, 제3코로나 방전장치(19)는 전극(20)을 가지고, 하우징(21)은 전극(20)을 둘러싸며, 접속된 가스용기(24)로부터 공급된 에어로졸용 캐리어 가스가 분무기(23)로 라인(22)을 경유하여 연결되며, 플라스틱(1)의 운반방향내에서 제1코로나 방전후 배열하게 되는 것을 특징으로 하는 장치.12. The aerosol carrier gas according to claim 11, wherein the third corona discharge device (19) has an electrode (20), the housing (21) surrounds the electrode (20), and the aerosol carrier gas supplied from the connected gas container (24) is formed. A device characterized in that it is connected via a line (22) to a nebulizer (23) and arranged after the first corona discharge in the conveying direction of the plastic (1). 제20항에 있어서, 제1 및 제3코로나 방전장치의 전극(4, 20)은 제너레이터에 연결된 것을 특징으로 하는 장치.21. The device according to claim 20, wherein the electrodes (4, 20) of the first and third corona discharge devices are connected to a generator. 제11항에 있어서, 플랫 필름 다이(26)는 플라스틱 용융 필름(34)이 제1코로나 방전장치(11)의 전극(4)으로 교차 전극으로서 칠드 로울러(25)위로 돌출하게 되며, 전극(4)을 가리기 의한 하우징(6)은 플랫 필름 다이(26)로 직접 인접하게 된 것을 특징으로 하는 장치.12. The flat film die (26) according to claim 11, wherein the plastic melt film (34) protrudes onto the chiller roller (25) as a crossover electrode to the electrode (4) of the first corona discharge device (11). And the housing (6) is directly adjacent to the flat film die (26). 고주파, 고전압 고류는 제너레이터에 의하여 적용하게 되고, 접지된 교차전극으로부터 거리를 두고 배열하게 되며, 전극을 가진 전기적 코로나 방전에 의하여 폴라스틱의 표면 예비처리를 하기 위한 장치에 있어서, 금속 지지 파이프(27 또는 32)는 브러시 헤드의 모앙으로 그 외부 전극(30)을 통합하여 플라스틱으로 된 주형품(31)의 내부로 삽입하게 되어, 상기 지지 파이프(27 또는 32)는 제너레이터(5)와 에어로졸을 형성하기 의하여 액체 분무용 분무기(8)에 연결되며, 조정가능한 팬(9)은 분무기(8) 안으르 에어로졸용 캐리어 가스를 누르게 되는 것을 특징으로 하는 장치.A high frequency, high voltage high current is applied by a generator, arranged at a distance from a grounded crossover electrode, and in a device for pretreatment of the surface of the polarity by an electrical corona discharge with the electrode, the metal support pipe (27) Or 32 is integrated into the mold 31 of plastic by incorporating its external electrode 30 into the center of the brush head, such that the support pipe 27 or 32 forms an aerosol with the generator 5. A device characterized in that it is connected to an atomizer (8) for liquid atomization, wherein the adjustable fan (9) is pressed against the carrier gas for the aerosol into the atomizer (8). 제23항에 있어서, 지지 와이프(27)는 에어로졸이 플라스틱 주형품(31)의 내부로 흐르고, 전극(30) 부근의 지지 파이프를 둘러싸고 있는 개구단부를 갖는 것을 특징으로 하는 장치.24. The device according to claim 23, wherein the support wipe (27) has an open end in which an aerosol flows into the plastic mold (31) and surrounds the support pipe near the electrode (30). 제23항에 있어서, 지지 파이프(32)는 파이프 벽내의 구멍(33)과 밀봉된 단부를 가지고 있고 플라스틱 주형품(31)의 내부안으로 구멍(32)을 통하여 에어로졸이 흐르며 전극(30) 부근의 지지 파이프(32)를 둘러싸는 것을 특징으로 하는 장치.24. The support pipe (32) according to claim 23 has a sealed end with a hole (33) in the pipe wall and aerosol flows through the hole (32) in the interior of the plastic mold (31) and near the electrode (30). Apparatus characterized by surrounding the support pipe (32). 제23항에 있어서, 지지파이프(27 또는 32)의 전극(30)의 기하학적 형태는 주형품(31)의 내부 윤곽과 결합되는 것을 특징으로 하는 장치.Device according to claim 23, characterized in that the geometry of the electrode (30) of the support pipe (27 or 32) is combined with the inner contour of the mold (31). 제23항에 있어서, 전극(30)은 금속 와이어나 탄소섬유와 같은 탄성, 전기전도 물질을 포함하는 것을 특징으로 하는 장치.24. The device of claim 23, wherein the electrode (30) comprises an elastic, electrically conductive material such as a metal wire or carbon fiber. 제23항에 있어서, 주형품(31)은 한개의 주형부분(28b)이 전극(30)으로 교차전극으로서 접지된 2개의 금속 주형부분(28a, 28b)을 수용하며, 주형부분(28a, 28b)의 내부는 주형품(31)의 외부 윤곽과 결합되는 것을 특징으로 하는 장치.The mold 31 according to claim 23 contains two metal mold parts 28a, 28b in which one mold part 28b is grounded as a crossover electrode to the electrode 30, and the mold parts 28a, 28b. Is combined with an outer contour of the mold (31). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880001775A 1987-02-20 1988-02-20 Process and device for surface pretreatment of plastic by means of an electrical corona discharge KR960007299B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3705482.1 1987-02-20
DE19873705482 DE3705482A1 (en) 1987-02-20 1987-02-20 METHOD AND ARRANGEMENT FOR THE SURFACE PRE-TREATMENT OF PLASTIC BY MEANS OF AN ELECTRIC CORONA DISCHARGE

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KR880009773A true KR880009773A (en) 1988-10-05
KR960007299B1 KR960007299B1 (en) 1996-05-30

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US (1) US4929319A (en)
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DK86388D0 (en) 1988-02-19
DK163573C (en) 1992-09-07
EP0279371A1 (en) 1988-08-24
JP2641475B2 (en) 1997-08-13
EP0279371B1 (en) 1990-04-04
DK163573B (en) 1992-03-16
MX167755B (en) 1993-04-12
DK86388A (en) 1988-08-21
CA1326466C (en) 1994-01-25
US4929319A (en) 1990-05-29
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DE3705482A1 (en) 1988-09-01
ZA881172B (en) 1988-08-16
TR26939A (en) 1994-08-24
KR960007299B1 (en) 1996-05-30

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